Directions of use

1). Add 0.5 % of the KA 7 Bitumen Enhancer in proportion to the bitumen used.

2). Heat bitumen to a liquid status usually between 150 degrees centigrade to 180 degrees centigrade depending on type of bitumen.

3). Add KA 7 Bitumen Enhancer and mix properly to arrive to a homogeneous bitumen mixture. Usual mixing time takes 3 to 6 hours depending on amount of bitumen being melted.

4). For super highways we recommend that they use 7 ccm. base coarse and 5 ccm. wearing coarse. The size of aggregate used depends on the design curves of the road loads. Once provided with that we can give specific answers for each load.

5). We definetely do not need to add 10 MM's of aggregate on the surface. The wearing course layer has to be smooth riding surface.

6). The rollers for asphalt are standard worldwide. They are either rubber tire rollers or double steel drum rollers. The important thing is that you note that once you are using enhanced bitumen you require more compaction than the conventional. This means going over it a few more times than normal.

Note : The addition of the bitumen enhancer can be made directly in the bitumen melting tank or it can be placed in the polymer mixing tank if available.